NOS Practice!

When scientists have MANY, or multiple, trials in an experiment.

• Replication
• Lots of fun
• Repetition

A scientific theory...

• is based on lots of evidence
• is not valid
• is not reliable
• has not been tested many times

A scientific theory is not necessarily accepted as a scientific truth.

• True
• False

A set of principles that explains and predicts a phenomena is called a _____. 

• scientific law
• scientific method
• scientific theory
• scientific instructor

What is a theory?

• Describes what happens
• Explains a process

What is a law?

• Describes what happens
• Explains a process

Scientists __________________ test scientific theories.

• constantly
• rarely
• never

What special problem solving process do scientists go through to answer a question?

• Data Collection
• Research
• Scientific Method

How can laws and theories be expressed?

• By experiments
• Groupings
• Mathematical Equations

To explain what will happen before it occurs.

• predict
• conclusion
• independent variable
• dependent variable